8. Installation
23
MULTI/SINGLE
Indoor unit
Ceiling Suspended Unit
8.2 Installation of indoor units
8.2.1 Ceiling dimension and hanging bolt location
CAUTION
• During the installation, care should be taken not to damage electric wires.
• In case of using a drain pump, install the unit horizontally using a level gauge.
1. The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions.
2. Select and mark the position for fixing bolts and piping hole.
3. Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose.
4. Drill the hole for anchor bolt on the wall or ceiling.
• Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling.
• Mount the suspension bolts to the set anchor firmly.
• Secure the installation plates onto the suspension bolts (adjust level roughly) using nuts, washers and spring
washers.
5. In case of ducted type unit, apply a joint-canvas between the unit and duct to absorb unnecessary vibration.
Level gauge
Ceiling
※
According to type of indoor unit,
external appearance could be different.
